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Which of the following is not a data-collection method?

MCQ Question: "Which of the following is not a data-collection method? "

A population N is divided into three strata so that N1 = 5000, N2 = 2000and N3 = 3000. Respective standard deviations are: σ1 = 15, σ2 = 18, and σ3 = 5. How should a sample of size n = 84 be allocated to the three strata, if we want optimum allocation using disproportionate sampling design?

MCQ Question: "A population N is divided into three strata so that N1 = 5000, N2 = 2000and N3 = 3000. Respective standard deviations are: σ1 = 15, σ2 = 18, and σ3 = 5. How should a sample of size n = 84 be allocated to the three strata, if we want optimum allocation using disproportionate sampling design? "

An appropriate measure of central tendency for an ordinal scale variable is:

MCQ Question: "An appropriate measure of central tendency for an ordinal scale variable is: "

The research antagonistic to ex-post facto research is

MCQ Question: "The research antagonistic to ex-post facto research is "

Standardising the conditions under which the measurement of variables takes place will improve which characteristic of the measuring instrument:

MCQ Question: "Standardising the conditions under which the measurement of variables takes place will improve which characteristic of the measuring instrument:"

Nine years old children are taller than 7 years old ones. It is an example of :

MCQ Question: "Nine years old children are taller than 7 years old ones. It is an example of : "

A researcher divides the populations into PG, graduates and 10+2 students and using the random digit table he selects some of them from each. This is technically called

MCQ Question: "A researcher divides the populations into PG, graduates and 10+2 students and using the random digit table he selects some of them from each. This is technically called "

In an experimental testing hypothesis research, the group that is subjected to usual conditions is known as :

MCQ Question: "In an experimental testing hypothesis research, the group that is subjected to usual conditions is known as :"

A statistical measure based upon the entire population is called parameter while measure based upon a sample is known as :

MCQ Question: "A statistical measure based upon the entire population is called parameter while measure based upon a sample is known as :"

The case study method does which of the following:

MCQ Question: "The case study method does which of the following: "